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Finding the Fourth Proportional to 145,754.44, 218,631.66 and 40,576.14

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Solution

The fourth proportional to 145,754.44, 218,631.66 and 40,576.14 is: 60,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,754.44 : 218,631.66 = 40,576.14 : x
  2. Step 2: Convert to fraction form
    145,754.44/218,631.66 = 40,576.14/x
  3. Step 3: Cross multiply
    145,754.44x = 218,631.66 × 40,576.14
  4. Step 4: Simplify right side
    145,754.44x = 8,871,228,692.43
  5. Step 5: Solve for x
    x = 8,871,228,692.43/145,754.44
  6. Step 6: Final answer
    x = 60,864.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.